Basalt: NVFP4 + faster prefill for Qwen3.8 Flash-Next on Blackwell (single 5090)

Basalt: Qwen 3.8 FN NVFP4, single 5090 Hi guys, so I finally got a RAM upgrade and have been working on the top two pain points from Basalt: NVFP4 support and faster prefill. NVFP4: Basalt runs NVFP4 natively now, a new .basalt pack keeps stock NVIDIA experts and stores the dense layers as Q6_

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Basalt: Qwen 3.8 FN NVFP4, single 5090 Hi guys, so I finally got a RAM upgrade and have been working on the top two pain points from Basalt: NVFP4 support and faster prefill. NVFP4: Basalt runs NVFP4 natively now, a new .basalt pack keeps stock NVIDIA experts and stores the dense layers as Q6_